Rod I
File rod.k demonstrates wave propagation in one dimension using bar elements. Download is available in the download section of this document.
Keywords
Keywords
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: rod.k
The used Keywords in alphabetical order.
*BOUNDARY_SPC_NODE *CONTROL_TERMINATION *CONTROL_TIMESTEP *DATABASE_BINARY_D3PLOT *DATABASE_ELOUT *DATABASE_GLSTAT *DATABASE_HISTORY_BEAM_SET *DATABASE_HISTORY_NODE_SET *DATABASE_MATSUM *DATABASE_NODFOR *DATABASE_NODOUT *DEFINE_CURVE *ELEMENT_BEAM *END *KEYWORD *LOAD_NODE_POINT *MAT_ELASTIC *NODE *PART *SECTION_BEAM *SET_BEAM_LIST *SET_NODE_LIST *TITLE
Reduced Input
Reduced Input
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: rod.k
*Node and *Element Cards are removed.
*KEYWORD
*TITLE
Wave Propagation In Rod, bar element
$
$ This problem is to demonstrate wave propagation in one dimension
$ Demonstrate potential problems with 32 Bit machines
$ Time step calculation for rod elements
$ Demonstrate time integration stability limits
$ units: mm, ton, N
$ A. Tabiei 3/3/98
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*CONTROL_TIMESTEP
$ DTINIT TSSFAC
0.0000 0.9000
*CONTROL_TERMINATION
$ ENDTIM
0.000925
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_BINARY_D3PLOT
$ DT/CYCL
0.00001
*DATABASE_MATSUM
$ DT/CYCL
1.000E-06
*DATABASE_NODOUT
$ DT/CYCL
1.000E-06
*DATABASE_ELOUT
$ DT/CYCL
1.000E-06
*DATABASE_NODFOR
$ DT/CYCL
1.000E-06
*DATABASE_GLSTAT
$ DT/CYCL
1.000E-06
*DATABASE_history_node_set
$ ID
1
*DATABASE_history_beam_set
$ ID
1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*SET_NODE_LIST
$ SID
1
$ NID1
2 22
*SET_BEAM_LIST
$ SID
1
$ K1
20
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*MAT_elastic
$ MID RO E PR
1 7.890E-09 2.068E+05 3.000E-01
*PART
BEAM:
$ PID SID MID
1 1 1
*SECTION_BEAM
$ sid elform
1 3
$ a
645
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DEFINE_CURVE
$ lcid
1
$ abscissa ordinate
0.00000000000000E+00 1.0000000000000E+00
2.00000000000000E-03 1.0000000000000E+00
*LOAD_NODE_POINT
$NODE/NSID DOF LCID SF CID
2 1 1 5.000E+02 0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*BOUNDARY_SPC_NODE
$ NID CID X Y Z RX RY RZ
1 0 1 1 1 1 1 1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*NODE
$ NID X Y Z
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ELEMENT_BEAM
$ EID PID N1 N2
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*END
Figures
Figures
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: rod.k


Animated Result
Animated Result
This example has been taken from the introductory class of Prof. Dr. Ala Tabiei. Example name: rod.k

